package com.black.carbon.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.black.carbon.entity.User;
import org.springframework.stereotype.Repository;

@Repository
public interface UserMapper extends BaseMapper<User> {
    //这里一般不需要写sql语句，basemapper里面已经提供了诸多够用的增删改查。我们只需要在service里面调接口就行
    //也可以在此自定义复杂的sql
}
